423985515 has 8 divisors (see below), whose sum is σ = 678376848. Its totient is φ = 226125600.

The previous prime is 423985483. The next prime is 423985537. The reversal of 423985515 is 515589324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423985515 - 2⁵ = 423985483 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14132836 + ... + 14132865.

It is an arithmetic number, because the mean of its divisors is an integer number (84797106).

Almost surely, 2^423985515 is an apocalyptic number.

423985515 is a deficient number, since it is larger than the sum of its proper divisors (254391333).

423985515 is a wasteful number, since it uses less digits than its factorization.

423985515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265709.

The product of its digits is 216000, while the sum is 42.

The square root of 423985515 is about 20590.9085520771. The cubic root of 423985515 is about 751.2485957469.

The spelling of 423985515 in words is "four hundred twenty-three million, nine hundred eighty-five thousand, five hundred fifteen".